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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 90-0529845

INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY

Tax-exempt (reinstated) · SPRINGFIELD, IL 62704

Address and contacts

Address (IRS master file)
2501 CHATHAM RD STE R, SPRINGFIELD, IL 62704-4188
In care of
% PAUL E FISCHIONE
Mailing address (990-N for 2025)
2501 Chatham Rd STE R, Springfield IL 62704
Principal officer (990-N for 2025)
Eva Olsson, Fysikgrand 3, Gothenburg Gothenburg 41296, SW
Website
ifsm.org

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
90-0529845
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2014
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
May 15, 2012
Posted by the IRS
April 8, 2013
Reinstated
Effective May 15, 2012

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Eva Olsson
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Eva Olsson
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Paul Fischione
December 31, 2023≤ $50,000 receipts––e-Postcard
990-EZDecember 2022–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 90-0529845).

Questions about INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY

What is the EIN of INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY?
The employer identification number (EIN) of INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY is 90-0529845.
Is INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2012 and reinstated it effective May 15, 2012.
Are donations to INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of INTERNATIONAL FEDERATION OF SOCIETIES FOR MICROSCOPY?
The 990-N for 2025 names Eva Olsson.

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